About Kyosei

Global Network

Global production structures respond precisely to customer needs.

TOKYO: Tokyo Head Office

A comprehensive structure from prototyping to mass production

Kyosei's highly-experienced sales personnel can serve as a comprehensive liaison handling all aspects of production from the prototyping stage in Japan to mass production in Japan or overseas.
Our experienced sales personnel precisely control production projects including planning, design, prototyping, and mass production.
Whether in Japan or overseas, the Kyosei network, created to respond to a wide range of customer requests, provides prompt and professional support by planning and suggesting products that maintain a good QCD balance.

KAWAGOE: Kawagoe Factory

Wide-ranging support from prototypes to mass production based on small-lot production of numerous product types

The Kawagoe Factory is located within 50 km of the Tokyo city center and plays a role as an important base for technology. In addition to research and development of new technologies, the plant focuses on work that requires a high level of technological capability.
The factory supplies prototypes to customers in Japan and overseas and mass production products to customers in Japan. A production system comprising an extensive inventory of more than 500 different types of materials (stainless steels, copper materials, and sheet metal in varying thickness) and a specialized prototype team can provide prompt support and quick deliveries.
In addition, various types of secondary processing including surface treatment (plating and coating), three-dimensional processing (bending and drawing) and joining (diffusion and adhesion) are possible through Kyosei's own domestic network. Our technological capabilities and network can respond to all needs to provide reliable products in a timely manner.

Reliable product supply from Thailand using a production system that specializes in mass production

As a production site in Asia, that Thailand Factory has the structures to supply products to customers around the world. Mass-production goods are supplied using Japanese specifications for all aspects from equipment to quality.
Kyosei is the only etching manufacturer in Japan with an overseas production plant. The Thailand Factory opened in 1988 and has 28 years of production experience.
Click here for the Thailand Factory Website.

South Korea Branch (Daegu)

The Kyosei Group's South Korea Branch is an important base in the Asia network

The South Korea Branch opened in August 2016 as a key base in Kyosei's Asia manufacture and sales network.

Cooperating Company: Yongjin Astech Co., Ltd. in South Korea

Kyosei has entered into a production outsourcing agreement with Yongjin Astech in South Korea.